Me7.4.5 Pinout 【720p】

| Pin No. | Function | Description | | :--- | :--- | :--- | | | Throttle Position | Throttle Potentiometer Signal 1 | | A11 | Throttle Position | Throttle Potentiometer Signal 2 | | A12 | Supply (+5V) | Sensor Reference Voltage (MAP, TPS) | | A14 | Coolant Temp | Engine Coolant Temperature Sensor | | A15 | Intake Air Temp | Intake Air Temperature Sensor | | A16 | MAP Sensor | Manifold Absolute Pressure Signal | | A20 | Brake Switch | Brake Pedal Input (Cruise/Throttle safety) | | A21 | Clutch Switch | Clutch Pedal Input (Manual transmissions) | | B12 | Vehicle Speed | Speedometer Signal Input | | B14 | Lambda Sensor | Oxygen Sensor Signal (Pre-cat) | | B15 | Lambda Heater | Oxygen Sensor Heater Ground/Drive | | B24 | Camshaft Sensor | Cylinder Identification (Hall Effect) | | B25 | Crankshaft Sensor | Engine Speed (RPM) Signal (Inductive) | | B26 | AC Request | Air Conditioning Demand Signal |

Always verify pin locations from a front-facing perspective of the connector plug to avoid damaging sensors or the internal traces of the ECU. me7.4.5 pinout

| Pin No. | Function | Description / Signal | | :--- | :--- | :--- | | | Output Stage Ground | Ground for ignition coils (Critical) | | A02 | Signal Ground | Sensor ground return (MAP, T-MAP, etc.) | | A03 | Battery Voltage (+12V) | Switched power supply (via Main Relay) | | A04 | Ignition Coil 1 | Cylinder 1 trigger signal | | A05 | Ignition Coil 2 | Cylinder 2 trigger signal | | A06 | Ignition Coil 3 | Cylinder 3 trigger signal | | A07 | Ignition Coil 4 | Cylinder 4 trigger signal | | A09 | CAN High | CAN-Bus Communication (High Line) | | A10 | CAN Low | CAN-Bus Communication (Low Line) | | A16 | T-MAP Sensor +5V | 5 Volt supply for Manifold Pressure Sensor | | A17 | T-MAP Signal | Manifold Absolute Pressure Signal | | A20 | Oxygen Sensor Signal | Pre-cat O2 Sensor Signal | | A21 | Oxygen Sensor Ground | Pre-cat O2 Ground | | A27 | Coolant Temp Signal | Engine Coolant Temperature (ECT) Sensor | | A28 | Intake Air Temp Signal | Intake Air Temperature (IAT) Sensor | | A29 | Throttle Position 1 | Potentiometer 1 (Electronic Throttle) | | A30 | Throttle Position 2 | Potentiometer 2 (Electronic Throttle) | | A31 | Throttle Motor + | DC Motor control (positive) | | A32 | Throttle Motor - | DC Motor control (negative) | | A35 | Vehicle Speed | Speed signal from ABS/Transmission | | A39 | K-Line | Diagnostic Line (OBDII Port) | | A42 | Power Steering Pressure | Power steering pressure switch input | | A62 | Accelerator Pedal 1 | Accelerator Pedal Position (APP) Sensor 1 | | A63 | Accelerator Pedal 2 | Accelerator Pedal Position (APP) Sensor 2 | | Pin No

If you are swapping an ECU, the pinout alone won't get the car started. You will need to extract the 4-digit security code from the EEPROM (95320) to perform a "virgin" reset or an IMMO-off procedure. Safety Precautions | Function | Description / Signal | |

Use an anti-static mat when opening the ECU case to avoid damaging the CMOS components.